1#!/bin/sh
2# ipkg - the itsy package management system
3#
4# Copyright (C) 2001 Carl D. Worth
5#
6# This program is free software; you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation; either version 2, or (at your option)
9# any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15
16set -e
17
18# By default do not do globbing. Any command wanting globbing should
19# explicitly enable it first and disable it afterwards.
20set -o noglob
21
22ipkg_is_upgrade () {
23  local A B a b     
24  A=$(echo $1 | sed -r "s/([0-9]+)[^[:alnum:]]*/ \1 /g").
25  B=$(echo $2 | sed -r "s/([0-9]+)[^[:alnum:]]*/ \1 /g").
26  while [ \! -z "$A" ] && [ \! -z "$B" ]; do {        
27    set $A; a=$1; shift; A=$*
28    set $B; b=$1; shift; B=$*
29      [ "$a" -lt "$b" ] 2>&- && return 1
30    { [ "$a" -gt "$b" ] 2>&- || [ "$a" ">" "$b" ]; } && return
31  }; done                                                     
32  return 1
33}         
34
35which md5sum 2>&1 >/dev/null || alias md5sum=md5
36
37ipkg_srcs() {
38	local srcre="$1"
39	sed -ne "s/^src[[:space:]]\+$srcre[[:space:]]\+//p" < $IPKG_CONF
40}
41
42ipkg_src_names() {
43	sed -ne "s/^src[[:space:]]\+\([^[:space:]]\+\).*/\1/p" < $IPKG_CONF
44}
45
46ipkg_src_byname() {
47	local src="$1"
48	ipkg_srcs $src | head -n 1
49}
50
51ipkg_dests() {
52	local destre="`echo $1 | ipkg_protect_slashes`"
53	sed -ne "/^dest[[:space:]]\+$destre/{
54s/^dest[[:space:]]\+[^[:space:]]\+[[:space:]]\+//
55s/^/`echo $IPKG_OFFLINE_ROOT | ipkg_protect_slashes`/
56p
57}" < $IPKG_CONF
58}
59
60ipkg_dest_names() {
61	sed -ne "s/^dest[[:space:]]\+\([^[:space:]]\+\).*/\1/p" < $IPKG_CONF
62}
63
64ipkg_dests_all() {
65	ipkg_dests '.*'
66}
67
68ipkg_state_dirs() {
69	ipkg_dests_all | sed "s|\$|/$IPKG_DIR_PREFIX|"
70}
71
72ipkg_dest_default() {
73	ipkg_dests_all | head -n 1
74}
75
76ipkg_dest_default_name() {
77	ipkg_dest_names | head -n 1
78}
79
80ipkg_dest_byname() {
81	local dest="$1"
82	ipkg_dests $dest | head -n 1
83}
84
85ipkg_option() {
86	local option="$1"
87	sed -ne "s/^option[[:space:]]\+$option[[:space:]]\+//p" < $IPKG_CONF
88}
89
90ipkg_load_configuration() {
91	if [ -z "$IPKG_CONF_DIR" ]; then
92		IPKG_CONF_DIR=/etc
93	fi
94
95	IPKG_CONF="$IPKG_CONF_DIR/ipkg.conf"
96
97	if [ -z "$IPKG_OFFLINE_ROOT" ]; then
98	    IPKG_OFFLINE_ROOT="`ipkg_option offline_root`"
99	fi
100	# Export IPKG_OFFLINE_ROOT for use by update-alternatives
101	export IPKG_OFFLINE_ROOT
102	if [ -n "$DEST_NAME" ]; then
103		IPKG_ROOT="`ipkg_dest_byname $DEST_NAME`"
104		if [ -z "$IPKG_ROOT" ]; then
105			if [ -d "$IPKG_OFFLINE_ROOT$DEST_NAME" ]; then
106				IPKG_ROOT="$IPKG_OFFLINE_ROOT$DEST_NAME";
107			else
108				echo "ipkg: invalid destination specification: $DEST_NAME
109Valid destinations are directories or one of the dest names from $IPKG_CONF:" >&2
110				ipkg_dest_names >&2
111				return 1
112			fi
113		fi
114	else
115		IPKG_ROOT="`ipkg_dest_default`"
116	fi
117
118	# Global ipkg state directories
119	IPKG_DIR_PREFIX=usr/lib/opkg
120	IPKG_LISTS_DIR=$IPKG_OFFLINE_ROOT/$IPKG_DIR_PREFIX/lists
121	IPKG_PENDING_DIR=$IPKG_OFFLINE_ROOT/$IPKG_DIR_PREFIX/pending
122	if [ -z "$IPKG_TMP" ]; then
123		IPKG_TMP=$IPKG_ROOT/tmp/ipkg
124	fi
125
126	[ -e "$IPKG_TMP" ] || mkdir -p $IPKG_TMP
127
128	# Destination specific ipkg meta-data directory
129	IPKG_STATE_DIR=$IPKG_ROOT/$IPKG_DIR_PREFIX
130
131	# Proxy Support
132	IPKG_PROXY_USERNAME="`ipkg_option proxy_username`"
133	IPKG_PROXY_PASSWORD="`ipkg_option proxy_password`"
134	IPKG_HTTP_PROXY="`ipkg_option http_proxy`"
135	IPKG_FTP_PROXY="`ipkg_option ftp_proxy`"
136	IPKG_NO_PROXY="`ipkg_option no_proxy`"
137	if [ -n "$IPKG_HTTP_PROXY" ]; then 
138		export http_proxy="$IPKG_HTTP_PROXY"
139	fi
140
141	if [ -n "$IPKG_FTP_PROXY" ]; then 
142		export ftp_proxy="$IPKG_FTP_PROXY"
143	fi
144
145	if [ -n "$IPKG_NO_PROXY" ]; then 
146		export no_proxy="$IPKG_NO_PROXY"
147	fi
148
149	IPKG_STATUS_FIELDS='\(Package\|Status\|Essential\|Version\|Conffiles\|Root\|Architecture\)'
150}
151
152ipkg_usage() {
153	[ $# -gt 0 ] && echo "ipkg: $*"
154	echo "
155usage: ipkg [options...] sub-command [arguments...]
156where sub-command is one of:
157
158Package Manipulation:
159	update  		Update list of available packages
160	upgrade			Upgrade all installed packages to latest version
161	install <pkg>		Download and install <pkg> (and dependencies)
162	install <file.ipk>	Install package <file.ipk>
163	install <file.deb>	Install package <file.deb>
164	remove <pkg>		Remove package <pkg>
165
166Informational Commands:
167	list    		List available packages and descriptions
168	files <pkg>		List all files belonging to <pkg>
169	search <file>		Search for a packaging providing <file>
170	info [pkg [<field>]]	Display all/some info fields for <pkg> or all
171	status [pkg [<field>]]	Display all/some status fields for <pkg> or all
172	depends <pkg>		Print uninstalled package dependencies for <pkg>
173
174Options:
175	-d <dest_name>          Use <dest_name> as the the root directory for
176	-dest <dest_name>	package installation, removal, upgrading.
177				<dest_name> should be a defined dest name from the
178				configuration file, (but can also be a directory
179				name in a pinch).
180        -o <offline_root>       Use <offline_root> as the root for offline installation.
181        -offline <offline_root> 				
182
183Force Options (use when ipkg is too smart for its own good):
184	-force-depends          Make dependency checks warnings instead of errors
185	-force-defaults         Use default options for questions asked by ipkg.
186                                (no prompts). Note that this will not prevent
187                                package installation scripts from prompting.
188" >&2
189	exit 1
190}
191
192ipkg_dir_part() {
193	local dir="`echo $1 | sed -ne 's/\(.*\/\).*/\1/p'`"
194	if [ -z "$dir" ]; then
195		dir="./"
196	fi
197	echo $dir
198}
199
200ipkg_file_part() {
201	echo $1 | sed 's/.*\///'
202}
203
204ipkg_protect_slashes() {
205	sed -e 's/\//\\\//g'
206}
207
208ipkg_download() {
209	local src="$1"
210	local dest="$2"
211
212	local src_file="`ipkg_file_part $src`"
213	local dest_dir="`ipkg_dir_part $dest`"
214	if [ -z "$dest_dir" ]; then
215		dest_dir="$IPKG_TMP"
216	fi
217
218	local dest_file="`ipkg_file_part $dest`"
219	if [ -z "$dest_file" ]; then
220		dest_file="$src_file"
221	fi
222
223	# Proxy support
224	local proxyuser=""
225	local proxypassword=""
226	local proxyoption=""
227		
228	if [ -n "$IPKG_PROXY_USERNAME" ]; then
229		proxyuser="--proxy-user=\"$IPKG_PROXY_USERNAME\""
230		proxypassword="--proxy-passwd=\"$IPKG_PROXY_PASSWORD\""
231	fi
232
233	if [ -n "$IPKG_PROXY_HTTP" -o -n "$IPKG_PROXY_FTP" ]; then
234		proxyoption="--proxy=on"
235	fi
236
237	rm -f $IPKG_TMP/$src_file
238	case "$src" in
239	http://* | ftp://*)
240		if ! wget --passive-ftp $proxyoption $proxyuser $proxypassword -P $IPKG_TMP $src; then
241			echo "ipkg_download: ERROR: Failed to retrieve $src, returning $err"
242			return 1
243		fi
244		mv $IPKG_TMP/$src_file $dest_dir/$dest_file 2>/dev/null
245		;;
246	file:/* )
247		ln -s `echo $src | sed 's/^file://'` $dest_dir/$dest_file 2>/dev/null
248		;;
249	*)
250	echo "DEBUG: $src"
251		;;
252	esac
253
254	return 0
255}
256
257ipkg_update() {
258	if [ ! -e "$IPKG_LISTS_DIR" ]; then
259		mkdir -p $IPKG_LISTS_DIR
260	fi
261
262	local err=
263	for src_name in `ipkg_src_names`; do
264		local src="`ipkg_src_byname $src_name`"
265		if ! ipkg_download $src/Packages $IPKG_LISTS_DIR/$src_name; then
266			echo "ipkg_update: Error downloading $src/Packages to $IPKG_LISTS_DIR/$src_name" >&2
267			err=t
268		else
269			echo "Updated list of available packages in $IPKG_LISTS_DIR/$src_name"
270		fi
271	done
272
273	[ -n "$err" ] && return 1
274
275	return 0
276}
277
278ipkg_list() {
279	for src in `ipkg_src_names`; do
280		if ipkg_require_list $src; then 
281# black magic...
282sed -ne "
283/^Package:/{
284s/^Package:[[:space:]]*\<\([a-z0-9.+-]*$1[a-z0-9.+-]*\).*/\1/
285h
286}
287/^Description:/{
288s/^Description:[[:space:]]*\(.*\)/\1/
289H
290g
291s/\\
292/ - /
293p
294}
295" $IPKG_LISTS_DIR/$src
296		fi
297	done
298}
299
300ipkg_extract_paragraph() {
301	local pkg="$1"
302	sed -ne "/Package:[[:space:]]*$pkg[[:space:]]*\$/,/^\$/p"
303}
304
305ipkg_extract_field() {
306	local field="$1"
307# blacker magic...
308	sed -ne "
309: TOP
310/^$field:/{
311p
312n
313b FIELD
314}
315d
316: FIELD
317/^$/b TOP
318/^[^[:space:]]/b TOP
319p
320n
321b FIELD
322"
323}
324
325ipkg_extract_value() {
326	sed -e "s/^[^:]*:[[:space:]]*//"
327}
328
329ipkg_require_list() {
330	[ $# -lt 1 ] && return 1
331	local src="$1"
332	if [ ! -f "$IPKG_LISTS_DIR/$src" ]; then
333		echo "ERROR: File not found: $IPKG_LISTS_DIR/$src" >&2
334		echo "       You probably want to run \`ipkg update'" >&2
335		return 1
336	fi
337	return 0
338}
339
340ipkg_info() {
341	for src in `ipkg_src_names`; do
342		if ipkg_require_list $src; then
343			case $# in
344			0)
345				cat $IPKG_LISTS_DIR/$src
346				;;	
347			1)
348				ipkg_extract_paragraph $1 < $IPKG_LISTS_DIR/$src
349				;;
350			*)
351				ipkg_extract_paragraph $1 < $IPKG_LISTS_DIR/$src | ipkg_extract_field $2
352				;;
353			esac
354		fi
355	done
356}
357
358ipkg_status_sd() {
359	[ $# -lt 1 ] && return 0
360	sd="$1"
361	shift
362	if [ -f $sd/status ]; then
363		case $# in
364		0)
365			cat $sd/status
366			;;
367		1)
368			ipkg_extract_paragraph $1 < $sd/status
369			;;
370		*)
371			ipkg_extract_paragraph $1 < $sd/status | ipkg_extract_field $2
372			;;
373		esac
374	fi
375	return 0
376}
377
378ipkg_status_all() {
379	for sd in `ipkg_state_dirs`; do
380		ipkg_status_sd $sd $*
381	done
382}
383
384ipkg_status() {
385	if [ -n "$DEST_NAME" ]; then
386		ipkg_status_sd $IPKG_STATE_DIR $*
387	else
388		ipkg_status_all $*
389	fi
390}
391
392ipkg_status_matching_sd() {
393	local sd="$1"
394	local re="$2"
395	if [ -f $sd/status ]; then
396		sed -ne "
397: TOP
398/^Package:/{
399s/^Package:[[:space:]]*//
400s/[[:space:]]*$//
401h
402}
403/$re/{
404g
405p
406b NEXT
407}
408d
409: NEXT
410/^$/b TOP
411n
412b NEXT
413" < $sd/status
414	fi
415	return 0
416}
417
418ipkg_status_matching_all() {
419	for sd in `ipkg_state_dirs`; do
420		ipkg_status_matching_sd $sd $*
421	done
422}
423
424ipkg_status_matching() {
425	if [ -n "$DEST_NAME" ]; then
426		ipkg_status_matching_sd $IPKG_STATE_DIR $*
427	else
428		ipkg_status_matching_all $*
429	fi
430}
431
432ipkg_status_installed_sd() {
433	local sd="$1"
434	local pkg="$2"
435	ipkg_status_sd $sd $pkg Status | grep -q "Status: install ok installed"
436}
437
438ipkg_status_installed_all() {
439	local ret=1
440	for sd in `ipkg_state_dirs`; do
441		if `ipkg_status_installed_sd $sd $*`; then
442			ret=0
443		fi
444	done
445	return $ret
446}
447
448ipkg_status_mentioned_sd() {
449	local sd="$1"
450	local pkg="$2"
451	[ -n "`ipkg_status_sd $sd $pkg Status`" ]
452}
453
454ipkg_files() {
455	local pkg="$1"
456	if [ -n "$DEST_NAME" ]; then
457		dests=$IPKG_ROOT
458	else
459		dests="`ipkg_dests_all`"
460	fi
461	for dest in $dests; do
462		if [ -f $dest/$IPKG_DIR_PREFIX/info/$pkg.list ]; then
463			dest_sed="`echo $dest | ipkg_protect_slashes`"
464			sed -e "s/^/$dest_sed/" < $dest/$IPKG_DIR_PREFIX/info/$pkg.list
465		fi
466	done
467}
468
469ipkg_search() {
470	local pattern="$1"
471
472	for dest_name in `ipkg_dest_names`; do
473		dest="`ipkg_dest_byname $dest_name`"
474		dest_sed="`echo $dest | ipkg_protect_slashes`"
475
476		set +o noglob
477		local list_files="`ls -1 $dest/$IPKG_DIR_PREFIX/info/*.list 2>/dev/null`"
478		set -o noglob
479		for file in $list_files; do
480			if sed "s/^/$dest_sed/" $file | grep -q $pattern; then
481				local pkg="`echo $file | sed "s/^.*\/\(.*\)\.list/\1/"`"
482				[ "$dest_name" != `ipkg_dest_default_name` ] && pkg="$pkg ($dest_name)"
483				sed "s/^/$dest_sed/" $file | grep $pattern | sed "s/^/$pkg: /"
484			fi
485		done
486	done
487}
488
489ipkg_status_remove_sd() {
490	local sd="$1"
491	local pkg="$2"
492
493	if [ ! -f $sd/status ]; then
494		mkdir -p $sd
495		touch $sd/status
496	fi
497	sed -ne "/Package:[[:space:]]*$pkg[[:space:]]*\$/,/^\$/!p" < $sd/status > $sd/status.new
498	mv $sd/status.new $sd/status
499}
500
501ipkg_status_remove_all() {
502	for sd in `ipkg_state_dirs`; do
503		ipkg_status_remove_sd $sd $*
504	done
505}
506
507ipkg_status_remove() {
508	if [ -n "$DEST_NAME" ]; then
509		ipkg_status_remove_sd $IPKG_STATE_DIR $*
510	else
511		ipkg_status_remove_all $*
512	fi
513}
514
515ipkg_status_update_sd() {
516	local sd="$1"
517	local pkg="$2"
518
519	ipkg_status_remove_sd $sd $pkg
520	ipkg_extract_field "$IPKG_STATUS_FIELDS" >> $sd/status
521	echo "" >> $sd/status
522}
523
524ipkg_status_update() {
525	ipkg_status_update_sd $IPKG_STATE_DIR $*
526}
527
528ipkg_unsatisfied_dependences() {
529    local pkg=$1
530    local deps="`ipkg_get_depends $pkg`"
531    local remaining_deps=
532    for dep in $deps; do
533	local installed="`ipkg_get_installed $dep`"
534	if [ "$installed" != "installed" ] ; then
535	    remaining_deps="$remaining_deps $dep"
536	fi
537    done
538    ## echo "ipkg_unsatisfied_dependences pkg=$pkg $remaining_deps" > /dev/console
539    echo $remaining_deps
540}
541
542ipkg_safe_pkg_name() {
543	local pkg=$1
544	local spkg="`echo pkg_$pkg | sed -e y/-+./___/`"
545	echo $spkg
546}
547
548ipkg_set_depends() {
549	local pkg=$1; shift 
550	local new_deps="$*"
551	pkg="`ipkg_safe_pkg_name $pkg`"
552	## setvar ${pkg}_depends "$new_deps"
553	echo $new_deps > $IPKG_TMP/${pkg}.depends
554}
555
556ipkg_get_depends() {
557	local pkg=$1
558	pkg="`ipkg_safe_pkg_name $pkg`"
559	cat $IPKG_TMP/${pkg}.depends
560	## eval "echo \$${pkg}_depends"
561}
562
563ipkg_set_installed() {
564	local pkg=$1
565	pkg="`ipkg_safe_pkg_name $pkg`"
566	echo installed > $IPKG_TMP/${pkg}.installed
567	## setvar ${pkg}_installed "installed"
568}
569
570ipkg_set_uninstalled() {
571	local pkg=$1
572	pkg="`ipkg_safe_pkg_name $pkg`"
573	### echo ipkg_set_uninstalled $pkg > /dev/console
574	echo uninstalled > $IPKG_TMP/${pkg}.installed
575	## setvar ${pkg}_installed "uninstalled"
576}
577
578ipkg_get_installed() {
579	local pkg=$1
580	pkg="`ipkg_safe_pkg_name $pkg`"
581	if [ -f $IPKG_TMP/${pkg}.installed ]; then
582		cat $IPKG_TMP/${pkg}.installed
583	fi
584	## eval "echo \$${pkg}_installed"
585}
586
587ipkg_depends() {
588	local new_pkgs="$*"
589	local all_deps=
590	local installed_pkgs="`ipkg_status_matching_all 'Status:.*[[:space:]]installed'`"
591	for pkg in $installed_pkgs; do
592	    ipkg_set_installed $pkg
593	done
594	while [ -n "$new_pkgs" ]; do
595		all_deps="$all_deps $new_pkgs"
596		local new_deps=
597		for pkg in $new_pkgs; do
598			if echo $pkg | grep -q '[^A-Za-z0-9.+-]'; then
599				echo "ipkg_depends: ERROR: Package name $pkg contains illegal characters (should be [A-Za-z0-9.+-])" >&2
600				return 1
601			fi
602			# TODO: Fix this. For now I am ignoring versions and alternations in dependencies.
603			new_deps="$new_deps "`ipkg_info $pkg '\(Pre-\)\?Depends' | ipkg_extract_value | sed -e 's/([^)]*)//g
604s/\(|[[:space:]]*[a-z0-9.+-]\+[[:space:]]*\)\+//g
605s/,/ /g
606s/ \+/ /g'`
607			ipkg_set_depends $pkg $new_deps
608		done
609
610		new_deps=`echo $new_deps | sed -e 's/[[:space:]]\+/\n/g' | sort | uniq`
611
612		local maybe_new_pkgs=
613		for pkg in $new_deps; do
614			if ! echo $installed_pkgs | grep -q "\<$pkg\>"; then
615				maybe_new_pkgs="$maybe_new_pkgs $pkg"
616			fi
617		done
618
619		new_pkgs=
620		for pkg in $maybe_new_pkgs; do
621			if ! echo $all_deps | grep -q "\<$pkg\>"; then
622				if [ -z "`ipkg_info $pkg`" ]; then
623					echo "ipkg_depends: Warning: $pkg mentioned in dependency but no package found in $IPKG_LISTS_DIR" >&2
624					ipkg_set_installed $pkg
625				else
626					new_pkgs="$new_pkgs $pkg"
627					ipkg_set_uninstalled $pkg
628				fi
629			else
630				ipkg_set_uninstalled $pkg
631			fi
632		done
633	done
634
635	echo $all_deps
636}
637
638ipkg_get_install_dest() {
639	local dest="$1"
640	shift
641	local sd=$dest/$IPKG_DIR_PREFIX
642	local info_dir=$sd/info
643
644        local requested_pkgs="$*"
645	local pkgs="`ipkg_depends $*`"
646
647	mkdir -p $info_dir
648	for pkg in $pkgs; do
649		if ! ipkg_status_mentioned_sd $sd $pkg; then
650			echo "Package: $pkg
651Status: install ok not-installed" | ipkg_status_update_sd $sd $pkg
652		fi
653	done
654        ## mark the packages that we were directly requested to install as uninstalled
655        for pkg in $requested_pkgs; do ipkg_set_uninstalled $pkg; done
656
657	local new_pkgs=
658	local pkgs_installed=0
659	while [ -n "pkgs" ]; do
660		curcheck=0
661		## echo "pkgs to install: {$pkgs}" > /dev/console
662		for pkg in $pkgs; do
663			curcheck="`expr $curcheck + 1`"
664			local is_installed="`ipkg_get_installed $pkg`"
665			if [ "$is_installed" = "installed" ]; then
666				echo "$pkg is installed"
667				continue
668			fi
669
670			local remaining_deps="`ipkg_unsatisfied_dependences $pkg`"
671			if [ -n "$remaining_deps" ]; then
672				new_pkgs="$new_pkgs $pkg"
673				### echo "Dependences not satisfied for $pkg: $remaining_deps"
674				if [ $curcheck -ne `echo  $pkgs|wc -w` ]; then
675			        	continue
676				fi
677			fi
678
679			local filename=
680			for src in `ipkg_src_names`; do
681				if ipkg_require_list $src; then
682					filename="`ipkg_extract_paragraph $pkg < $IPKG_LISTS_DIR/$src | ipkg_extract_field Filename | ipkg_extract_value`"
683					[ -n "$filename" ] && break
684				fi
685			done
686
687			if [ -z "$filename" ]; then
688				echo "ipkg_get_install: ERROR: Cannot find package $pkg in $IPKG_LISTS_DIR"
689				echo "ipkg_get_install:        Check the spelling and maybe run \`ipkg update'."
690				ipkg_status_remove_sd $sd $pkg
691				return 1;
692			fi
693
694			local tmp_pkg_file="$IPKG_TMP/"`ipkg_file_part $filename`
695			if ! ipkg_download `ipkg_src_byname $src`/$filename $tmp_pkg_file; then
696				echo "ipkg_get_install: Perhaps you need to run \`ipkg update'?"
697				return 1
698			fi
699
700			if ! ipkg_install_file_dest $dest $tmp_pkg_file; then
701				echo "ipkg_get_install: ERROR: Failed to install $tmp_pkg_file"
702				echo "ipkg_get_install: I'll leave it there for you to try a manual installation"
703				return 1
704			fi
705
706			ipkg_set_installed $pkg
707			pkgs_installed="`expr $pkgs_installed + 1`"
708			rm $tmp_pkg_file
709		done
710		### echo "Installed $pkgs_installed package(s) this round"
711		if [ $pkgs_installed -eq 0 ]; then
712			if [ -z "$new_pkgs" ]; then
713			    break
714			fi
715		fi
716		pkgs_installed=0
717		pkgs="$new_pkgs"
718		new_pkgs=
719		curcheck=0
720        done
721}
722
723ipkg_get_install() {
724	ipkg_get_install_dest $IPKG_ROOT $*
725}
726
727ipkg_install_file_dest() {
728	local dest="$1"
729	local filename="$2"
730	local sd=$dest/$IPKG_DIR_PREFIX
731	local info_dir=$sd/info
732
733	if [ ! -f "$filename" ]; then
734		echo "ipkg_install_file: ERROR: File $filename not found"
735		return 1
736	fi
737
738	local pkg="`ipkg_file_part $filename | sed 's/\([a-z0-9.+-]\+\)_.*/\1/'`"
739	local ext="`echo $filename | sed 's/.*\.//'`"
740	local pkg_extract_stdout
741	if [ "$ext" = "ipk" ]; then
742		pkg_extract_stdout="tar -xzOf"
743	elif [ "$ext" = "deb" ]; then
744		pkg_extract_stdout="ar p"
745	else
746		echo "ipkg_install_file: ERROR: File $filename has unknown extension $ext (not .ipk or .deb)"
747		return 1
748	fi
749
750	# Check dependencies
751	local depends="`ipkg_depends $pkg | sed -e "s/\<$pkg\>//"`"
752
753	# Don't worry about deps that are scheduled for installation
754	local missing_deps=
755	for dep in $depends; do
756		if ! ipkg_status_all $dep | grep -q 'Status:[[:space:]]install'; then
757			missing_deps="$missing_deps $dep"
758		fi
759	done
760
761	if [ ! -z "$missing_deps" ]; then
762		if [ -n "$FORCE_DEPENDS" ]; then
763			echo "ipkg_install_file: Warning: $pkg depends on the following uninstalled programs: $missing_deps"
764		else
765			echo "ipkg_install_file: ERROR: $pkg depends on the following uninstalled programs:
766	$missing_deps"
767			echo "ipkg_install_file: You may want to use \`ipkg install' to install these."
768			return 1
769		fi
770	fi
771
772	mkdir -p $IPKG_TMP/$pkg/control
773	mkdir -p $IPKG_TMP/$pkg/data
774	mkdir -p $info_dir
775
776	if ! $pkg_extract_stdout $filename ./control.tar.gz | (cd $IPKG_TMP/$pkg/control; zcat | tar -xf - ) ; then
777		echo "ipkg_install_file: ERROR unpacking control.tar.gz from $filename"
778		return 1
779	fi
780
781	if [ -n "$IPKG_OFFLINE_ROOT" ]; then
782		if grep -q '^InstallsOffline:[[:space:]]*no' $IPKG_TMP/$pkg/control/control; then
783			echo "*** Warning: Package $pkg may not be installed in offline mode"
784			echo "*** Warning: Scheduling $filename for pending installation (installing into $IPKG_PENDING_DIR)"
785			echo "Package: $pkg
786Status: install ok pending" | ipkg_status_update_sd $sd $pkg
787			mkdir -p $IPKG_PENDING_DIR
788			cp -f $filename $IPKG_PENDING_DIR
789			rm -r $IPKG_TMP/$pkg/control
790			rm -r $IPKG_TMP/$pkg/data
791			rmdir $IPKG_TMP/$pkg
792			return 0
793		fi
794	fi
795
796
797	printf "Unpacking $pkg..."
798	set +o noglob
799	for file in $IPKG_TMP/$pkg/control/*; do
800		local base_file="`ipkg_file_part $file`"
801		mv $file $info_dir/$pkg.$base_file
802	done
803	set -o noglob
804	rm -r $IPKG_TMP/$pkg/control
805
806	if ! $pkg_extract_stdout $filename ./data.tar.gz | (cd $IPKG_TMP/$pkg/data; zcat | tar -xf - ) ; then
807		echo "ipkg_install_file: ERROR unpacking data.tar.gz from $filename"
808		return 1
809	fi
810	echo "Done."
811
812	printf "Configuring $pkg..."
813	export PKG_ROOT=$dest
814	if [ -x "$info_dir/$pkg.preinst" ]; then
815		if ! $info_dir/$pkg.preinst install; then
816			echo "$info_dir/$pkg.preinst failed. Aborting installation of $pkg"
817			rm -rf $IPKG_TMP/$pkg/data
818			rmdir $IPKG_TMP/$pkg
819			return 1
820		fi
821	fi
822
823	local old_conffiles="`ipkg_status_sd $sd $pkg Conffiles | ipkg_extract_value`"
824	local new_conffiles=
825	if [ -f "$info_dir/$pkg.conffiles" ]; then
826		for conffile in `cat $info_dir/$pkg.conffiles`; do
827			if [ -f "$dest/$conffile" ] && ! echo " $old_conffiles " | grep -q " $conffile "`md5sum $dest/$conffile | sed 's/ .*//'`; then
828				local use_maintainers_conffile=
829				if [ -z "$FORCE_DEFAULTS" ]; then
830					while true; do
831						printf "Configuration file \`$conffile'
832 ==> File on system created by you or by a script.
833 ==> File also in package provided by package maintainer.
834   What would you like to do about it ?  Your options are:
835    Y or I  : install the package maintainer's version
836    N or O  : keep your currently-installed version
837      D     : show the differences between the versions (if diff is installed)
838 The default action is to keep your current version.
839*** `ipkg_file_part $conffile` (Y/I/N/O/D) [default=N] ? "
840						read response
841						case "$response" in
842						[YyIi] | [Yy][Ee][Ss])
843							use_maintainers_conffile=t
844							break
845						;;
846						[Dd])
847							echo "
848diff -u $dest/$conffile $IPKG_TMP/$pkg/data/$conffile"
849							diff -u $dest/$conffile $IPKG_TMP/$pkg/data/$conffile || true
850							echo "[Press ENTER to continue]"
851							read junk
852						;;
853						*)
854							break
855						;;
856						esac
857					done
858				fi
859				if [ -n "$use_maintainers_conffile" ]; then
860					local md5sum="`md5sum $IPKG_TMP/$pkg/data/$conffile | sed 's/ .*//'`"
861					new_conffiles="$new_conffiles $conffile $md5sum"
862				else
863					new_conffiles="$new_conffiles $conffile <custom>"
864					rm $IPKG_TMP/$pkg/data/$conffile
865				fi
866			else
867				md5sum="`md5sum $IPKG_TMP/$pkg/data/$conffile | sed 's/ .*//'`"
868				new_conffiles="$new_conffiles $conffile $md5sum"
869			fi
870		done
871	fi
872
873	local owd="`pwd`"
874	(cd $IPKG_TMP/$pkg/data/; tar cf - . | (cd $owd; cd $dest; tar xf -))
875	rm -rf $IPKG_TMP/$pkg/data
876	rmdir $IPKG_TMP/$pkg
877	rm -f $info_dir/$pkg.list
878	$pkg_extract_stdout $filename ./data.tar.gz | zcat | tar tf - | sed -e '/\/$/d; s/^\.//' > $info_dir/$pkg.list
879
880	if [ -x "$info_dir/$pkg.postinst" ]; then
881		$info_dir/$pkg.postinst configure
882	fi
883
884	if [ -n "$new_conffiles" ]; then
885		new_conffiles='Conffiles: '`echo $new_conffiles | ipkg_protect_slashes`
886	fi
887	local sed_safe_offline_root="`echo ${IPKG_OFFLINE_ROOT} | ipkg_protect_slashes`"
888	local sed_safe_root="`echo $dest | sed -e "s/^${sed_safe_offline_root}//" | ipkg_protect_slashes`"
889	sed -e "s/\(Package:.*\)/\1\\
890Status: install ok installed\\
891Root: ${sed_safe_root}\\
892${new_conffiles}/" $info_dir/$pkg.control | ipkg_status_update_sd $sd $pkg
893
894	rm -f $info_dir/$pkg.control
895	rm -f $info_dir/$pkg.conffiles
896	rm -f $info_dir/$pkg.preinst
897	rm -f $info_dir/$pkg.postinst
898
899	echo "Done."
900}
901
902ipkg_install_file() {
903	ipkg_install_file_dest $IPKG_ROOT $*
904}
905
906ipkg_install() {
907	while [ $# -gt 0 ]; do
908		local pkg="$1"
909		shift
910	
911		case "$pkg" in
912		http://* | ftp://*)
913			local tmp_pkg_file="$IPKG_TMP/"`ipkg_file_part $pkg`
914			if ipkg_download $pkg $tmp_pkg_file; then
915				ipkg_install_file $tmp_pkg_file
916				rm $tmp_pkg_file
917			fi
918			;;
919		file:/*.ipk  | file://*.deb)
920				local ipkg_filename="`echo $pkg|sed 's/^file://'`"
921				ipkg_install_file $ipkg_filename
922			;;
923		*.ipk  | *.deb)
924				ipkg_install_file $pkg
925			;;
926		*)
927			ipkg_get_install $pkg || true
928			;;
929		esac
930	done
931}
932
933ipkg_install_pending() {
934	[ -n "$IPKG_OFFLINE_ROOT" ] && return 0
935
936	if [ -d "$IPKG_PENDING_DIR" ]; then
937		set +o noglob
938		local pending="`ls -1d $IPKG_PENDING_DIR/*.ipk 2> /dev/null`" || true
939		set -o noglob
940		if [ -n "$pending" ]; then
941			echo "The following packages in $IPKG_PENDING_DIR will now be installed:"
942			echo $pending
943			for filename in $pending; do
944				if ipkg_install_file $filename; then
945					rm $filename
946				fi
947			done
948		fi
949	fi
950	return 0
951}
952
953ipkg_install_wanted() {
954	local wanted="`ipkg_status_matching 'Status:[[:space:]]*install.*not-installed'`"
955
956	if [ -n "$wanted" ]; then
957		echo "The following package were previously requested but have not been installed:"
958		echo $wanted
959
960		if [ -n "$FORCE_DEFAULTS" ]; then
961			echo "Installing them now."
962		else
963			printf "Install them now [Y/n] ? "
964			read response
965			case "$response" in
966			[Nn] | [Nn][Oo])
967				return 0
968				;;
969			esac
970		fi
971
972		ipkg_install $wanted
973	fi
974
975	return 0
976}
977
978ipkg_upgrade_pkg() {
979	local pkg="$1"
980	local avail_ver="`ipkg_info $pkg Version | ipkg_extract_value | head -n 1`"
981
982	is_installed=
983	for dest_name in `ipkg_dest_names`; do
984		local dest="`ipkg_dest_byname $dest_name`"
985		local sd=$dest/$IPKG_DIR_PREFIX
986		local inst_ver="`ipkg_status_sd $sd $pkg Version | ipkg_extract_value`"
987		if [ -n "$inst_ver" ]; then
988			is_installed=t
989
990			if [ -z "$avail_ver" ]; then
991				echo "Assuming locally installed package $pkg ($inst_ver) is up to date"
992				return 0
993			fi
994
995			if [ "$avail_ver" = "$inst_ver" ]; then 
996				echo "Package $pkg ($inst_ver) installed in $dest_name is up to date"
997			elif ipkg_is_upgrade "$avail_ver" "$inst_ver"; then
998				echo "Upgrading $pkg ($dest_name) from $inst_ver to $avail_ver"
999				ipkg_get_install_dest $dest $pkg
1000			else
1001				echo "Not downgrading package $pkg from $inst_ver to $avail_ver"
1002			fi
1003		fi
1004	done
1005
1006	if [ -z "$is_installed" ]; then
1007		echo "Package $pkg does not appear to be installed"
1008		return 0
1009	fi
1010
1011}
1012
1013ipkg_upgrade() {
1014	if [ $# -lt 1 ]; then
1015		local pkgs="`ipkg_status_matching 'Status:.*[[:space:]]installed'`"
1016	else
1017		pkgs="$*"
1018	fi
1019	
1020	for pkg in $pkgs; do
1021		ipkg_upgrade_pkg $pkg
1022	done
1023}
1024
1025ipkg_remove_pkg_dest() {
1026	local dest="$1"
1027	local pkg="$2"
1028	local sd=$dest/$IPKG_DIR_PREFIX
1029	local info_dir=$sd/info
1030
1031	if ! ipkg_status_installed_sd $sd $pkg; then
1032		echo "ipkg_remove: Package $pkg does not appear to be installed in $dest"
1033		if ipkg_status_mentioned_sd $sd $pkg; then
1034			echo "Purging mention of $pkg from the ipkg database"
1035			ipkg_status_remove_sd $sd $pkg
1036		fi
1037		return 1
1038	fi
1039
1040	echo "ipkg_remove: Removing $pkg... "
1041
1042	local files="`cat $info_dir/$pkg.list`"
1043
1044	export PKG_ROOT=$dest
1045	if [ -x "$info_dir/$pkg.prerm" ]; then
1046		$info_dir/$pkg.prerm remove
1047	fi
1048
1049	local conffiles="`ipkg_status_sd $sd $pkg Conffiles | ipkg_extract_value`"
1050
1051	local dirs_to_remove=
1052	for file in $files; do
1053		if [ -d "$dest/$file" ]; then
1054			dirs_to_remove="$dirs_to_remove $dest/$file"
1055		else
1056			if echo " $conffiles " | grep -q " $file "; then
1057				if echo " $conffiles " | grep -q " $file "`md5sum $dest/$file | sed 's/ .*//'`; then
1058					rm -f $dest/$file
1059				fi
1060			else
1061				rm -f $dest/$file
1062			fi
1063		fi
1064	done
1065
1066	local removed_a_dir=t
1067	while [ -n "$removed_a_dir" ]; do
1068		removed_a_dir=
1069		local new_dirs_to_remove=
1070		for dir in $dirs_to_remove; do
1071			if rmdir $dir >/dev/null 2>&1; then
1072				removed_a_dir=t
1073			else
1074				new_dirs_to_remove="$new_dirs_to_remove $dir"
1075			fi
1076		done
1077		dirs_to_remove="$new_dirs_to_remove"
1078	done
1079
1080	if [ -n "$dirs_to_remove" ]; then
1081		echo "ipkg_remove: Warning: Not removing the following directories since they are not empty:" >&2
1082		echo "$dirs_to_remove" | sed -e 's/\/[/]\+/\//g' >&2
1083	fi
1084
1085	if [ -x "$info_dir/$pkg.postrm" ]; then
1086		$info_dir/$pkg.postrm remove
1087	fi
1088
1089	ipkg_status_remove_sd $sd $pkg
1090	set +o noglob
1091	rm -f $info_dir/$pkg.*
1092	set -o noglob
1093
1094	echo "Done."
1095}
1096
1097ipkg_remove_pkg() {
1098	local pkg="$1"
1099	for dest in `ipkg_dests_all`; do
1100		local sd=$dest/$IPKG_DIR_PREFIX
1101		if ipkg_status_mentioned_sd $sd $pkg; then
1102			ipkg_remove_pkg_dest $dest $pkg
1103		fi
1104	done
1105}
1106
1107ipkg_remove() {
1108	while [ $# -gt 0 ]; do
1109		local pkg="$1"
1110		shift
1111		if [ -n "$DEST_NAME" ]; then
1112			ipkg_remove_pkg_dest $IPKG_ROOT $pkg
1113		else
1114			ipkg_remove_pkg $pkg
1115		fi
1116	done
1117}
1118
1119###########
1120# ipkg main
1121###########
1122
1123# Parse options
1124while [ $# -gt 0 ]; do
1125	arg="$1"
1126	case $arg in
1127	-d | -dest)
1128		[ $# -gt 1 ] || ipkg_usage "option $arg requires an argument"
1129		DEST_NAME="$2"
1130		shift
1131		;;
1132	-o | -offline)
1133		[ $# -gt 1 ] || ipkg_usage "option $arg requires an argument"
1134		IPKG_OFFLINE_ROOT="$2"
1135		shift
1136		;;
1137	-force-depends)
1138		FORCE_DEPENDS=t
1139		;;
1140	-force-defaults)
1141		FORCE_DEFAULTS=t
1142		;;
1143	-*)
1144		ipkg_usage "unknown option $arg"
1145		;;
1146	*)
1147		break
1148		;;
1149	esac
1150	shift
1151done
1152
1153[ $# -lt 1 ] && ipkg_usage "ipkg must have one sub-command argument"
1154cmd="$1"
1155shift
1156
1157ipkg_load_configuration
1158mkdir -p /tmp/ipkg
1159
1160case "$cmd" in
1161update|upgrade|list|info|status|install_pending)
1162	;;
1163install|depends|remove|files|search)
1164	[ $# -lt 1 ] && ipkg_usage "ERROR: the \`\`$cmd'' command requires an argument"
1165	;;
1166*)
1167	echo "ERROR: unknown sub-command \`$cmd'"
1168	ipkg_usage
1169	;;
1170esac
1171
1172# Only install pending if we have an interactive sub-command
1173case "$cmd" in
1174upgrade|install)
1175	ipkg_install_pending
1176	ipkg_install_wanted
1177	;;
1178esac
1179
1180ipkg_$cmd $*
1181for a in `ls $IPKG_TMP`; do
1182	rm -rf $IPKG_TMP/$a
1183done
1184